Výsledky vyhledávání - "RADIAL basis functions"

An 88-line MATLAB code for the parameterized level set method based topology optimization using radial basis functions Autor Wei, Peng, Li, Zuyu, Li, Xueping, Wang, Michael Yu

“…This paper presents a compact and efficient 88-line MATLAB code for the parameterized level set method based topology optimization using radial basis functions…”
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Enhancing finite differences with radial basis functions: Experiments on the Navier–Stokes equations Autor Flyer, Natasha, Barnett, Gregory A., Wicker, Louis J.

“…Polynomials are used together with polyharmonic spline (PHS) radial basis functions (RBFs) to create local RBF-finite-difference (RBF-FD) weights on different…”
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Out-of-Sample Extension of the Fuzzy Transform Autor Patane, Giuseppe

“…This paper addresses the definition and computation of the out-of-sample membership functions and the resulting outof-sample FT, which extend their discrete…”
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Artificial neural networks in structural dynamics: A new modular radial basis function approach vs. convolutional and feedforward topologies Autor Stoffel, Marcus, Gulakala, Rutwik, Bamer, Franz, Markert, Bernd

“…The aim of the present study is to develop a series of artificial neural networks (ANN) and to determine, by comparison to experiments, which type of neural…”
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Radial Basis Functions With Adaptive Input and Composite Trend Representation for Portfolio Selection Autor Lai, Zhao-Rong, Dai, Dao-Qing, Ren, Chuan-Xian, Huang, Ke-Kun

“…We propose a set of novel radial basis functions with adaptive input and composite trend representation (AICTR) for portfolio selection (PS). Trend…”
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On the role of polynomials in RBF-FD approximations: III. Behavior near domain boundaries Autor Bayona, Víctor, Flyer, Natasha, Fornberg, Bengt

“…•Large PHS+poly based RBF-FD stencils can lead to high orders of accuracy without numerical ill-conditioning.•It can also combine high orders of accuracy near…”
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Radial-Based Undersampling for imbalanced data classification Autor Koziarski, Michał

“…•The concept of mutual class potential is extended to the undersampling procedure.•Radial-Based Undersampling offers significantly lower computational…”
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Approximation of Bivariate Functions by Generalized Wendland Radial Basis Functions Autor Kouibia, Abdelouahed, González, Pedro, Pasadas, Miguel, Mustafa, Bassim, Yakhlef, Hossain Oulad, Omri, Loubna

“…In this work, we deal with two approximation problems in a finite-dimensional generalized Wendland space of compactly supported radial basis functions. Namely,…”
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An RBF-FD closest point method for solving PDEs on surfaces Autor Petras, A., Ling, L., Ruuth, S.J.

“…Partial differential equations (PDEs) on surfaces appear in many applications throughout the natural and applied sciences. The classical closest point method…”
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Metamodel of Parametric Geometric Magnetostatic Problem Based on PGD and RBF Approaches Autor Boumesbah, A. E., Tomezyk, J., Henneron, T.

“…In order to reduce the computational time induced by solving a finite element (FE) model for a magnetostatic problem with varying geometric parameters, a…”
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Influence of the Discretization Methods on the Distribution of Relaxation Times Deconvolution: Implementing Radial Basis Functions with DRTtools Autor Wan, Ting Hei, Saccoccio, Mattia, Chen, Chi, Ciucci, Francesco

“…•Novel regularization method based on radial basis function discretization for calculating the DRT.•Improved estimation of DRT only when data collection range…”
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Global optimization via inverse distance weighting and radial basis functions Autor Bemporad, Alberto

“…Global optimization problems whose objective function is expensive to evaluate can be solved effectively by recursively fitting a surrogate function to…”
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Evolutionary Programming for High-Dimensional Constrained Expensive Black-Box Optimization Using Radial Basis Functions Autor Regis, Rommel G.

“…This paper develops a surrogate-assisted evolutionary programming (EP) algorithm for constrained expensive black-box optimization that can be used for…”
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A meshless collocation method for band structure simulation of nanoscale phononic crystals based on nonlocal elasticity theory Autor Zheng, Hui, Zhou, Chuanbing, Yan, Dong-Jia, Wang, Yue-Sheng, Zhang, Chuanzeng

“…•A meshfree LRBFCM based on the nonlocal elasticity theory is developed for wave propagation analysis in nanoscale phononic crystals.•The band structures of 1D…”
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A weighted meshfree collocation method for incompressible flows using radial basis functions Autor Wang, Lihua, Qian, Zhihao, Zhou, Yueting, Peng, Yongbo

“…A weighted strong form collocation method using radial basis functions and explicit time integration is proposed to solve the incompressible Navier-Stokes…”
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Local meshless methods for second order elliptic interface problems with sharp corners Autor Ahmad, Masood, Siraj-ul-Islam, Larsson, Elisabeth

“…•Different types of RBFs are utilized for localized meshless methods in the context of interface PDEs.•Both sharp edged and smooth edged interfaces are taken…”
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Topology optimization under design-dependent loads with the parameterized level-set method based on radial-basis functions Autor Jiang, Yuanteng, Zhao, Min

“…Based on the parameterized level-set method using radial basis functions, a topology optimization method is proposed that can account for design-dependent…”
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On the selection of a better radial basis function and its shape parameter in interpolation problems Autor Chen, Chuin-Shan, Noorizadegan, Amir, Young, D.L., Chen, C.S.

“…•A highly accurate result for the shape parameter corresponds to the maximum effective condition number.•The effective condition number helps to predict the…”
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Solution of time‐fractional stochastic nonlinear sine‐Gordon equation via finite difference and meshfree techniques Autor Mirzaee, Farshid, Rezaei, Shadi, Samadyar, Nasrin

“…In this article, we introduce a numerical procedure to solve time‐fractional stochastic sine‐Gordon equation. The suggested technique is based on finite…”
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A local radial basis function collocation method for band structure computation of phononic crystals with scatterers of arbitrary geometry Autor Zheng, H, Yang, Z, Zhang, Ch, Tyrer, M

“…A numerical algorithm based on the local radial basis function collocation method (LRBFCM) is developed to efficiently compute the derivatives of primary field…”
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